Allegiant AirDepart09:22
Thu, Nov 12GTF → AZA
2h 34m · Direct
$141one way, per person
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- Cheapest fare
- $141
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 2h 34m
Allegiant Air · Thu, Nov 12
from $141
Allegiant Air
1,560 km
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Cheapest month to fly from Great Falls to Phoenix
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Great Falls to Phoenix
Great Falls (GTF) and Phoenix (PHX) are about 1,560 km apart. Direct flights take around 2h 34m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $141, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Great Falls to Phoenix?
The cheapest one-way fare we've seen recently is $141 with Allegiant Air, departing Thursday, November 12, 2026.
What is the cheapest month to fly from Great Falls to Phoenix?
November 2026 currently has the lowest fares, from $141 one way.
Are there direct flights from Great Falls to Phoenix?
Yes. Recent direct fares were with Allegiant Air.
How long is the flight from Great Falls to Phoenix?
A direct flight takes about 2h 34m. Great Falls and Phoenix are around 1,560 km apart.
Which airlines fly from Great Falls to Phoenix?
Recent fares on this route were with Allegiant Air.
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